Examples with SimpleBindings javax.script.SimpleBindings used on opensource projects

Example 76 with SimpleBindings

use of javax.script.SimpleBindings in project nifi by apache.

the class ScriptedReportingTask method onTrigger.

@Override
public void onTrigger(final ReportingContext context) {
    synchronized (scriptingComponentHelper.isInitialized) {
        if (!scriptingComponentHelper.isInitialized.get()) {
            scriptingComponentHelper.createResources();
        }
    }
    ScriptEngine scriptEngine = scriptingComponentHelper.engineQ.poll();
    ComponentLog log = getLogger();
    if (scriptEngine == null) {
        // No engine available so nothing more to do here
        return;
    }
    try {
        try {
            Bindings bindings = scriptEngine.getBindings(ScriptContext.ENGINE_SCOPE);
            if (bindings == null) {
                bindings = new SimpleBindings();
            }
            bindings.put("context", context);
            bindings.put("log", log);
            bindings.put("vmMetrics", vmMetrics);
            // Find the user-added properties and set them on the script
            for (Map.Entry<PropertyDescriptor, String> property : context.getProperties().entrySet()) {
                if (property.getKey().isDynamic()) {
                    // Add the dynamic property bound to its full PropertyValue to the script engine
                    if (property.getValue() != null) {
                        bindings.put(property.getKey().getName(), context.getProperty(property.getKey()));
                    }
                }
            }
            scriptEngine.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
            // Execute any engine-specific configuration before the script is evaluated
            ScriptEngineConfigurator configurator = scriptingComponentHelper.scriptEngineConfiguratorMap.get(scriptingComponentHelper.getScriptEngineName().toLowerCase());
            // Evaluate the script with the configurator (if it exists) or the engine
            if (configurator != null) {
                configurator.eval(scriptEngine, scriptToRun, scriptingComponentHelper.getModules());
            } else {
                scriptEngine.eval(scriptToRun);
            }
        } catch (ScriptException e) {
            throw new ProcessException(e);
        }
    } catch (final Throwable t) {
        // Mimic AbstractProcessor behavior here
        getLogger().error("{} failed to process due to {}; rolling back session", new Object[] { this, t });
        throw t;
    } finally {
        scriptingComponentHelper.engineQ.offer(scriptEngine);
    }
}

Example 77 with SimpleBindings

use of javax.script.SimpleBindings in project janusgraph by JanusGraph.

the class JanusGraphManager method getAsBindings.

@Override
public Bindings getAsBindings() {
    final Bindings bindings = new SimpleBindings();
    graphs.forEach(bindings::put);
    return bindings;
}

Example 78 with SimpleBindings

use of javax.script.SimpleBindings in project opennms by OpenNMS.

the class GraphMLScriptVertexStatusProvider method getStatusForVertices.

@Override
public Map<? extends VertexRef, ? extends Status> getStatusForVertices(final VertexProvider vertexProvider, final Collection<VertexRef> vertices, final Criteria[] criteria) {
    // All vertices for the current vertexProvider
    final List<GraphMLVertex> graphMLVertices = vertices.stream().filter(eachVertex -> contributesTo(eachVertex.getNamespace()) && eachVertex instanceof GraphMLVertex).map(eachVertex -> (GraphMLVertex) eachVertex).collect(Collectors.toList());
    // Alarm summary for each node id
    final Map<Integer, AlarmSummary> nodeIdToAlarmSummaryMap = alarmSummaryWrapper.getAlarmSummaries(Lists.transform(graphMLVertices, AbstractVertex::getNodeID)).stream().collect(Collectors.toMap(AlarmSummary::getNodeId, Function.identity()));
    // Calculate status via scripts
    return serviceAccessor.getTransactionOperations().execute(t -> this.scripting.compute(graphMLVertices.stream(), (vertex) -> {
        final SimpleBindings bindings = new SimpleBindings();
        bindings.put("vertex", vertex);
        if (vertex.getNodeID() != null) {
            bindings.put("node", serviceAccessor.getNodeDao().get(vertex.getNodeID()));
            bindings.put("alarmSummary", nodeIdToAlarmSummaryMap.get(vertex.getNodeID()));
        }
        bindings.put("measurements", new MeasurementsWrapper(serviceAccessor.getMeasurementsService()));
        bindings.put("nodeDao", serviceAccessor.getNodeDao());
        bindings.put("snmpInterfaceDao", serviceAccessor.getSnmpInterfaceDao());
        return bindings;
    }));
}

Example 79 with SimpleBindings

use of javax.script.SimpleBindings in project opennms by OpenNMS.

the class ScriptedCollectionSetBuilder method build.

/**
 * Builds a collection set from the given message.
 *
 * WARNING: This method is not necessarily thread safe. This depends on the
 * script, and the script engine that is being used.
 *
 * @param agent
 *            the agent associated with the collection set
 * @param message
 *            the messaged passed to script containing the metrics
 * @return a collection set
 * @throws ScriptException
 */
public CollectionSet build(CollectionAgent agent, Object message) throws ScriptException {
    final CollectionSetBuilder builder = new CollectionSetBuilder(agent);
    final SimpleBindings globals = new SimpleBindings();
    globals.put("agent", agent);
    globals.put("builder", builder);
    globals.put("msg", message);
    compiledScript.eval(globals);
    return builder.build();
}

Example 80 with SimpleBindings

use of javax.script.SimpleBindings in project vcell by virtualcell.

the class ScriptingPanel method run.

private void run() {
    // create scripting engine
    ScriptEngineManager manager = new ScriptEngineManager();
    // ScriptEngine engine = manager.getEngineByName("JavaScript");
    ScriptEngine engine = manager.getEngineByName("jython");
    // create environment for the script to run in.
    // 1) capture stdout and send to the resultsTextField
    // 2) predefine variables for windowManager, bioModel, model, and current selections
    // 
    ScriptContext scriptContext = new SimpleScriptContext();
    scriptContext.setBindings(new SimpleBindings(), ScriptContext.GLOBAL_SCOPE);
    StringWriter stringWriter = new StringWriter();
    PrintWriter printWriter = new PrintWriter(stringWriter);
    scriptContext.setWriter(printWriter);
    Bindings globals = scriptContext.getBindings(ScriptContext.GLOBAL_SCOPE);
    // }
    if (getBioModel() != null) {
        globals.put("biomodel", getBioModel());
        globals.put("model", getBioModel().getModel());
    }
    engine.setContext(scriptContext);
    // 
    try {
        String fullScript = getPredefinedJythonFunctions();
        fullScript += scriptTextArea.getText();
        System.out.println(fullScript);
        engine.eval(fullScript);
        try {
            Bindings engineBindings = scriptContext.getBindings(ScriptContext.ENGINE_SCOPE);
            printWriter.println("\n\n\nengine variable bindings: ");
            for (Map.Entry<String, Object> entry : engineBindings.entrySet()) {
                if (entry.getKey().equals("__builtins__")) {
                    continue;
                }
                printWriter.println("  " + entry.getKey() + " : " + entry.getValue());
            }
            Bindings globalBindings = scriptContext.getBindings(ScriptContext.GLOBAL_SCOPE);
            printWriter.println("\nglobal variable bindings: ");
            for (Map.Entry<String, Object> entry : globalBindings.entrySet()) {
                printWriter.println("  " + entry.getKey() + " : " + entry.getValue());
            }
            printWriter.flush();
            resultsTextArea.append(stringWriter.getBuffer().toString());
            // scroll to bottom.
            resultsTextArea.scrollRectToVisible(new Rectangle(0, resultsTextArea.getHeight() - 2, 1, 1));
        } catch (RuntimeException e1) {
            e1.printStackTrace();
        }
    } catch (ScriptException e1) {
        e1.printStackTrace();
    }
}